Finding the Fourth Proportional to 75,249.48, 103,845.45 and 41,261.07
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Solution
The fourth proportional to 75,249.48, 103,845.45 and 41,261.07 is: 56,940.92
Step by Step Solution
- Step 1: Write the proportion equation
75,249.48 : 103,845.45 = 41,261.07 : x - Step 2: Convert to fraction form
75,249.48/103,845.45 = 41,261.07/x - Step 3: Cross multiply
75,249.48x = 103,845.45 × 41,261.07 - Step 4: Simplify right side
75,249.48x = 4,284,774,381.63 - Step 5: Solve for x
x = 4,284,774,381.63/75,249.48 - Step 6: Final answer
x = 56,940.92
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.